MJR

MJR may refer to:


 * Manjusri Secondary School, a secondary school in Ubi, Singapore
 * Melbourne Jewish Radio
 * Mėnuo Juodaragis, Baltic culture festival
 * MJR Digital Cinemas, a movie theater chain in Michigan, United States
 * M. J. Radhakrishnan (died 2019), Indian cinematographer
 * Miramar Airport, Argentina (IATA code: MJR)